Lambert-St. Louis International Airport STL is Missouri's largest Airport and serves the City of St. Louis and its surrounding counties.

The Airport is located 10 miles northwest of St. Louis, conveniently situated inside the triangle of connecting Interstate Hwys I-270, 70 and I-170. It  is also connected to the Metrolink light rail, serving the greater Metropolitan St. Louis area.

With four long runways and an estimated 12.3 million passengers a year, Lambert-St. Louis Airport is and is served by major airlines (Delta & Southwest presently being the dominant ones), offering nonstop flights throughout the country and connecting flights to all points of the globe.

The passenger terminal complex at Lambert-St. Louis Airport consists of two  terminals - T1 & T2.  T1 presently has only 3 operational Concourses A, B & D,  while T2 has E-gates.   All Concourses  are connected. Free shuttle buses continuously run between the terminals, and both  terminals have a MetroLink Red Line station to downtown St. Louis. (For detailed terminal information, click on 'Terminal Map'.)  For airport service information call the Airport Information Booth at 314-890-1333.

Rental car counters are in the lower level of the Main Terminal, between doors 12 & 17. Rental car buses pick up at T1, Exit door 17, and at T2, Exit door 12.

To get from Lambert-St. Louis Airport to your destination, you can rent a car (counters are on Terminal 1's lower level, between doors MT 12 & MT 17), take a taxi, a shared-ride shuttle, a bus or the Metrolink light rail:
1. A reliable and affordable way to get from Lambert Airport to the City is the GoBest Express (1-877-785-4682), the only official shared-ride shuttle with counters in the baggage claim area of both terminals, serves hotels, businesses, the Central West End, downtown Clayton and both St. Louis & Washington Universities. Shuttles depart STL every 15-30 minutes, 6am-10pm (and start service to the airport at 4am - reservations required).
2. The Bus Port handles all local bus service (MetroBus) and Greyhound Bus Service and is located off Lambert International Blvd., south of the Main Terminal. If you need to connect to the Bus Port, use the free terminal shuttle, making regular stops at Bus Port on its route between the two passenger terminals. Pickup is at Main Terminal: Exit Door MT 12 and East Terminal: Exit Door ET 15.
3. You can also take the Metrolink light rail service from Terminal 1, Exit Door MT1, upper level east of the American Airlines Credit Union, or from Terminal 2, South of terminal accessible through the parking garage on all levels. MetroLink is the St. Louis metropolitan region's light rail system operated by Metro, with 37 stations over 46 miles, and serving St. Louis County, Missouri, St. Clair and Monroe Counties in Illinois, and the City of St. Louis.

Future Airport Developments: Phase 1 of a multiple construction project started in Spring 2011 with the erection of construction walls throughout most of the lower level of Terminal 1, between the entrances to A & C Concourses; construction will continue in phases up to the end of 2012. This is to improve passenger services, enhance airport operations, and offer a great view of this historic facility, originally designed in 1956 by noted architect Minoru Yamasaki.
UPDATE:  1. the escalators close to security checkpoints B & D at Terminal 1 have been closed; checkpoint to be relocated to accommodate security lanes, tech upgrades and a 2-level atrium entrance to concourses.   2. Window replacement has ben nearly completed.  3. The new Waiting area at B&D checkpoints of Terminal 1 links now to the concourse exit.